Zobrazeno 1 - 10
of 128
pro vyhledávání: '"John C. Woolley"'
Autor:
P. Bocoranda, Jaime Gálvez Ruiz, Jesus Gonzalez, J.M. Broto, Manuel Morocoima, John C. Woolley, H. Rakoto, R. Cadenas, Miguel Quintero, E. Quintero, Rafael Tovar, G. Lamarche, A.-M. Lamarche
Publikováno v:
Journal of Magnetism and Magnetic Materials. 257:87-94
Measurements of low field static magnetic susceptibility and of magnetization with pulsed magnetic fields up to 32 T have been made as a function of temperature on polycrystalline samples of the compound Ag2FeGeSe4 (AFG) which has an orthorhombic wur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfeac028fdb21186131033ea7606d6e1
https://doi.org/10.1016/s0304-8853(02)01051-x
https://doi.org/10.1016/s0304-8853(02)01051-x
Autor:
A.-M. Lamarche, H. Rakoto, E. Quintero, Miguel Quintero, J.M. Broto, Rafael Tovar, G. Lamarche, Jaime Gálvez Ruiz, John C. Woolley, R. Cadenas, R. Barbaste, Jesus Gonzalez
Publikováno v:
Physica B: Condensed Matter. :471-474
Measurements of magnetization (M) at helium temperatures and with pulsed magnetic fields up to 32 T, have been made on polycrystalline samples of the three compounds Ag 2 FeGeSe 4 , Ag 2 FeSiSe 4 and Cu 2 MnGeSe 4 . All three compounds have orthorhom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::123fc0dfdb0fc797640871f4feec0ef0
https://doi.org/10.1016/s0921-4526(00)00702-x
https://doi.org/10.1016/s0921-4526(00)00702-x
Autor:
G. Sanchez-Porras, H. Rakoto, G. Lamarche, A.-M. Lamarche, John C. Woolley, E. Quintero, Miguel Quintero, Rafael Tovar, R. Barbaste, J.M. BrotoQuintero, P. Bocaranda
Publikováno v:
physica status solidi (b). 220:417-423
Measurements of X-ray powder diffraction at room temperature, of electrical transport in the temperature range from 100 to 300 K, of magnetic susceptibility χin the range from 2 to 300 K and of magnetization M as a function of applied magnetic field
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f36800d7de49c927a3a96bfbe2fd68d
https://doi.org/10.1002/1521-3951(200007)220:1<417::aid-pssb417>3.0.co
https://doi.org/10.1002/1521-3951(200007)220:1<417::aid-pssb417>3.0.co
Autor:
Jesus Gonzalez, G. Lamarche, J.M. Broto, R. Barbaste, A.-M. Lamarche, H. Rakoto, E. Quintero, Rafael Tovar, John C. Woolley, Miguel Quintero
Publikováno v:
Journal of Magnetism and Magnetic Materials. 210:208-214
Measurements of magnetic susceptibility s as a function of temperature „ and of magnetisation M as a function of applied magnetic "eld H at a number of "xed temperatures were made on polycrystalline samples of Cu 2 FeGeSe 4 . The s versus „ data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21f5756864a29887d2620d6608afc8cb
https://doi.org/10.1016/s0304-8853(99)00627-7
https://doi.org/10.1016/s0304-8853(99)00627-7
Publikováno v:
Journal of Magnetism and Magnetic Materials. 186:121-128
Initial measurements made by X-ray diffraction on polycrystalline samples indicated that stoichiometric CuFeTe2 did not show single phase behaviour, but that samples with composition Cu1.13Fe1.22Te2 (CFT) were single phase. Neutron diffraction measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e93f0a1da8bd09607556bd4fc33dc472
https://doi.org/10.1016/s0304-8853(97)01110-4
https://doi.org/10.1016/s0304-8853(97)01110-4
Autor:
R. Brun del Re, John C. Woolley
Publikováno v:
Journal of Alloys and Compounds. 261:150-161
The T(z) diagrams were determined by differential thermal analysis (DTA) for a number of alloy systems of the forms II 1− z Mn z III 2 VI 4 and I 2(1− z )Mn z III 2 VI 4 , each of which showed two or more ordering transitions involving the Mn ato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5f83dfbd50ed4d01a401a633f689427
https://doi.org/10.1016/s0925-8388(97)00221-1
https://doi.org/10.1016/s0925-8388(97)00221-1
Publikováno v:
Journal of Physics and Chemistry of Solids. 58:491-496
X-ray powder diffraction, differential thermal analysis and magnetic susceptibility measurements on polycrystalline samples were used to determine the details of the T(z) phase diagram of the alloy system Cu2(1 − z)Mnzln2Se4. At room temperature, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::635e0e20c51dcb0a716fb8794335210e
https://doi.org/10.1016/s0022-3697(96)00109-6
https://doi.org/10.1016/s0022-3697(96)00109-6
Publikováno v:
physica status solidi (a). 159:361-373
Magnetic susceptibility measurements have shown that for a range of II 1-z Mn z III 2 VI 4 and I 2 ( 1-x )Mn z III 2 VI 4 alloys, crystallographic ordering occurs in the fields of solid solution, these ordering transitions not having been observed in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e44122775e08b7ad6061d30024d5e5fb
https://doi.org/10.1002/1521-396x(199702)159:2<361::aid-pssa361>3.0.co
https://doi.org/10.1002/1521-396x(199702)159:2<361::aid-pssa361>3.0.co
Autor:
F. Gonzalez-Jimenez, Miguel Quintero, R. Brun del Re, Ian P. Swainson, T. M. Holden, G. Lamarche, A.-M. Lamarche, John C. Woolley
Publikováno v:
Journal of Magnetism and Magnetic Materials. 164:154-162
Measurements of neutron diffraction spectra were made at temperatures 4.2, 60, 75, 90, 150 and 300 K on powdered synthetic CuFeSe2. The data showed that a magnetic transition occurs in CuFeSe2 at approximately 80 K, graphs of integrated intensity for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a633afa153dcfd3f26c0dc8c44e2817e
https://doi.org/10.1016/s0304-8853(96)00365-4
https://doi.org/10.1016/s0304-8853(96)00365-4
Publikováno v:
Journal of Magnetism and Magnetic Materials. 162:347-354
Measurements of neutron diffraction spectra were made at temperatures 4.2, 25, 45, 65, 85, 150 and 300 K on powdered polycrystalline synthetic CuFeS2. Standard Rietveld profile analysis using GSAS showed that at all temperatures, a good fit to the da
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cb5d9625c301b4dca5ed0cbc08332d9
https://doi.org/10.1016/s0304-8853(96)00252-1
https://doi.org/10.1016/s0304-8853(96)00252-1